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Best Large Room Air Purifiers – Top Picks & Reviews 2022

Large rooms such as wide bedrooms, living rooms, or other similar spaces, need the best air purifier for large rooms. You should get such a purifier to have pure air at all times. The air cleaner you decide on has to cover the entire surface of your space and offer you high-quality results!

For this reason, we put together the most excellent 6 large room air purifier reviews that you can go through before you pull your credit card out. Check them out below and find just the right air cleaner for your home!

Best Air Purifiers for Large Rooms - Updated Reviews 

1. Medify MA-112 Super CADR 950 Largest Space Air Purifier

Medify MA-112 Largest Rooms Air Purifier

If you are looking for an air purifier for a big room, this Medify MA-112 might be just what you need. It will cover an impressive surface of 2500 sq. Ft, but it will give excellent results for spaces of 3700 sq. Ft maximum. It is enough to clean almost any area you have.

You can get this Ultra-Efficient unit in a pack of one or a pack of two. It has a CADR level of 950, which means that it will generate 950 cubic ft of pure air each minute. This purifier follows the medical filtration standards without being a medical product.

Consequently, it uses a high efficiency H13 True HEPA filter that has three filtration levels. The air is absorbed inside the device from two sides, which means it will take double air quantity in at once, compared to other products.

If you use this Medify MA-112 purifier for the average space size of 2500 sq ft, it will clean the room in half an hour. In case you decide to use it for a place of 3700 sq.ft, it will take up to one hour to have pure air. On the other hand, if you have a smaller space of 1250 sq.ft, the Medify purifier will clean it in not more than 15 minutes.

Among the features of this product, you will find a child lock feature that can be very useful if you have children. It has a functional touch screen panel that allows you to control the device as you need.

To sum it up, this device comes with a sleep mode, an automatic function, as well as an indicator that lets you know when you should replace the filter. Each filter will last for up to 3000 hours.


  • It can cover up to 3700 sq.ft
  • You will not have to worry about your child as it comes with child lock protection
  • Uses an H13 True HEPA filter which follows the standard of medical units
  • Sleep mode available and touch screen panel


  • It might bother people with chemicals sensitivity, but it is only mildly and temporarily.
  • When it comes to eliminating strong odors, this might not be as efficient.

2. Coway Airmega 400 Large Living Room Smart Air Purifier 

Coway Airmega 400 Large Living Room Smart Air Purifier

Coway is one of the most popular brands on the market of air purifiers. This Coway Airmega 400 Smart Air Purifier covers a surface of 1560 sq.ft successfully, but you can also choose one that covers 1256 sq.ft.

One of the first things you will appreciate is the Max 2 filter system of this device. It combines a high-quality True HEPA filter with a Carbon filter. Thanks to this efficient combination of filters, the Coway Airmega 400 purifier will eliminate up to 99.97% of impurities in your air. It comes with washable and pre-filter so it can capture even bigger bacteria.

Moreover, you can choose this air purifier in a silver and white color according to the background of your house. You will love this product from the moment you start using it because it has all it needs to offer you impeccable air quality.

Coway Airmega 400 large space HEPA air purifier cleans the air twice in one hour so you can enjoy the purest air to breathe. It is the best air purifier for sizable rooms, and it comes with all you need to start using this product right away.

If you want to know how dirty your air is or how pure it is, this purifier comes with a LED light that will indicate that. The fan of this device can go on a sleep, low, medium, high, or smart mode according to the circumstances. As for the noise, this will not be louder than 43.2 dB.

The fan will adjust to the quality of your air automatically, so it cleans it better. You can also use the timer and set this purifier to run one, two, four, or eight hours.

There is no need to be concerned about energy consumption either. It is an Energy Star product that will not spend more than 64 W.


  • Gets rid of 99.97% of pollutants in your air
  • Combines a True HEPA filter with a Carbon filter for more efficiency
  • An indicator that shows the level of purity in your air
  • Not louder than 42.2 dB


  • No child lock function so you might want to put it out of your kids’ reach
  • No extra filters included but they are easy to find separately

3. LEVOIT LV-H134 True HEPA Big Room Air Purifier

LEVOIT LV-H134 Large Room Air Purifier

This LEVOIT LV-H134 home air purifier comes at a more budget-friendly than other similar products, but the quality remains impressive. If you have a furry friend in your home, this device will reduce pet dander as well as odors fast.

It works with a pre-filter that will attract pet hair like a magnet. The second filter is a True HEPA one, which will reduce the impurities in your air by 99.97%. The last but not least screen is a Carbon filter, responsible for eliminating unpleasant smells.

If you are using this LEVOIT HV-H134 True HEPA air purifier in a room of 1170 sq.ft, your air will get clean in half an hour. Consequently, if you decide to use it in 710 sq.ft, you will obtain pure air in about 18 minutes. Therefore, you can use this big space cheap air purifier in your bedroom, kitchen, living room, or any other part of your house.

You will see the quality of your air by just glancing at the screen. The purifier adjusts the fan speed according to your house air, so it cleans it more efficiently. Thanks to its 360-degree design, this best air purifier for studio apartment will attract air from all parts, and it will generate clean air on the top.

Finally, you will only spend 45 W of energy with this product. Plus, it comes with a silent mode so you can relax while you enjoy pure air. You will even be able to turn off the display, so it doesn’t bother you during the night.

The average noise this item will make is 25 dB. This device is the quietest HEPA air purifier for big size rooms. It has a discreet design that you will love as it blends in with everything in your home!


  • Uses three filtration levels
  • Reduces pet dander as well as other bacteria and odor in a matter of minutes
  • Consumes only 45 W of energy and it is tranquil
  • Covers up to 1170 sq.ft


  • It might generate a particular scent when you first turn it on. This scent should disappear in a few hours.
  • You might not receive complete instructions in all languages, but the design of this purifier is self-explanatory too.

4. Alen BreatheSmart Classic Largest Air Purifier for Allergies

alen breathesmart hepa air purifier

Alen is another highly respected company that offers a wide range of air purifiers. This Alen BreatheSmart Classic comes along with a HEPA pure filter that will get rid of pet dander fast and successfully. It is an excellent 1100 sq ft air purifier that will accommodate open spaces perfectly.

When you decide to purchase this Alen BreatheSmart HEPA air purifier, you will be able to choose between eight different colors. You can also select the type of purifier that brings more advantages to your home. It comes in four styles, responsible for removing allergies and dust, mold and bacteria, pet dander and odor, and also smoke and different chemicals.

Your sleep is just as important as the quality of your air. With this best large room HEPA air purifier, you will also sleep better thanks to the red, white, and pink noise it generates. This noise covers other types of sounds that might disturb you during the night.

The warranty you receive with this Alen BreatheSmart Classic air purifier is a lifetime warranty. Therefore, you can count on it for a long time with no concerns about damaging this product. It also comes with useful features such as a timer with three settings, on and off function, and an automatic mode setting.

It consumes 105 W if you let this purifier on non-stop. You will find out as soon as you start using it that this is a great air purifier for ample living room but also other rooms!


  • Perfect air purifier for 1100 sq ft
  • Emanates white, red and pink noise to help you relax
  • There are eight colors to choose from
  • A HEPA filter comes with the product


  • It will consume more energy than other products. To avoid this, you might want to use the timer and set it on only when you are at home to enjoy the clean air.

5. Rabbit Air MinusA2 SPA-780N Ultra Quiet HEPA Air Purifier

Rabbit Air MinusA2 SPA-780N

The Rabbit Air MinusA2 SPA-780N product is the best 815 sq ft air purifier. It comes in a classic black shade and different styles to choose from according to your preferences. But this product also has certain features that other similar purifiers don’t have.

This minusa2 ultra quiet air purifier is WiFi, and it works with multiple devices, including your smartphone and Alexa. All you have to do is download the Rabbit Air App, and you can be in control of this air purifier at all times. This app allows you to set up a schedule for your purifier and change the light intensity too. It is effortless to order filters as you need to replace them through this app as well.

The HEPA filter uses six different filtration stages to clean your air. As a result of this efficient system, you will not breathe in any pollutants or impurities while this device is on. It will even capture VOCs and different toxins that other air cleaners might miss.

You can place this RabbitAir SPA-780N MinusA2 large room coverage Air Purifier on your floor or mount it on the wall. If you put it on the floor, it will be easier to move it from one room to another as you need. The weight of this product is only 19.4 pounds, so it has increased portability.


  • The true HEPA filter that eliminates up to 99.97% of bacteria, dust, impurities, and toxins
  • WiFi product that you can easily control through an app
  • Covers 815 sq.ft
  • You can mount it on the wall or place it on the floor


  • It might not be as efficient when it comes to getting rid of heavy smoke

6. Blueair Classic 605 Air Purifier

blueair classic 605 air purifier

Finally, we have to bring to your attention this Blueair Classic 605 ideal air purifier that you can use in spaces of 700 sq.ft to 800 sq.ft.

It uses a high-quality HEPA filter that will keep asthma and allergies under control by eliminating 99.97% of the impurities. The CADR of this purifier is 500 cubic feet so that you can count on it for pure air. It changes your air five times in one hour to make sure there are no impurities left in it.

This best spacious room HEPA air purifier is compatible with the famous Alexa as well. You will have no problem controlling this device every time you want and just the way you want.

The fan has three different speeds it can use. One of these speeds is quieter than a whisper to offer you the comfort and clean air you need when you sleep. The AHAM tests revealed that this Blueair Classic 605 air purifier works best in rooms of 775 sq.ft. The design of this item is a classic one and very easy to use. It will match perfectly into any type of place!


  • Sleek and classic design
  • Covers 775 sq ft
  • 500 CADR label
  • AHAM tested product


  • You might notice a particular odor until the device calibrates


So, what’s the best home air purifiers for large rooms for you?

We hope you’ve found the best large room air purifier for your home or office space on our shortlist. Also, the buying guide and all other related information were useful to you.

Buying in an air purifier is a big decision. You need a product that you can rely on for a long time. By choosing one of the products in this guide, you know that you have one of the best large room air purifiers for large spaces and open spaces in your home.

All the purifiers in this guide are of a very high-quality, and they will not disappoint you in any aspect. Choose the right one for you and have clean air every time you relax at home!

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